据张先生介绍说，新标准的制定参照了世界文生组织关于饮用水质量标准的准则。
The new standard, according to Zhang, were prepared with reference to World Health Organization's guidelines for drinking-water quality.
据张先生介绍，昨天上午8时许，他刚到办公室，手机就收到一条彩信，发信人是个陌生号码。
According to Mr Cheung, around 8 o 'clock yesterday morning, he first arrived in the office, received a phone MMS, the sender is a strange number.
据张先生介绍，昨天上午8时许，他刚到办公室，手机就收到一条彩信，发信人是个陌生号码。
According to Mr Cheung, around 8 o 'clock yesterday morning, he first arrived in the office, received a phone MMS, the sender is a strange number.
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